Well, I take that back... that should fix it, but there's another bug which causes None to show up as an object :) That involves fixing Dict, which is a little more involved, but is still the right thing to do.
-----Original Message-----
From: users-bounces at lists.ironpython.com [mailto:users-bounces at lists.ironpython.com] On Behalf Of Dino Viehland
Sent: Thursday, June 29, 2006 10:19 AM
To: Discussion of IronPython
Subject: Re: [IronPython] Adding None to a set
Thanks for reporting this.
Luckily this one is quite easy to fix. The reason for this bug is that .NET dictionaries don't allow null as a value, and the Set class used to be backed off of a .NET dictionary. But these days it's backed by a Python dictionary, but there's still some checks to handle null values that seem to have lingered on.
If you remove every instance of:
if (o == null) o = NoneType.InstanceOfNoneType;
from IronPython\Runtime\Set.cs then you'll get rid of this bug.
I'll file a CodePlex bug on this & get it fixed for the next release.
-----Original Message-----
From: users-bounces at lists.ironpython.com [mailto:users-bounces at lists.ironpython.com] On Behalf Of William Reade
Sent: Thursday, June 29, 2006 7:15 AM
To: Discussion of IronPython
Subject: [IronPython] Adding None to a set
Hi guys
As if you didn't have enough on your plates already...
IronPython beta8:
>>> st = set([])
>>> st.add(None)
>>> st
set([<type 'NoneType'>])
CPython:
>>> st = set([])
>>> st.add(None)
>>> st
set([None])
Cheers
William
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